Decliniidae References Decliniidae insect family Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Coleoptera/ Annotated classification Family Decliniidae 1 genus (Declinia); found in eastern Russia and Japan. Family Eucinetidae About 25 widely distributed species; in rotten wood; example Eucinetus. Family Scirtidae, or Helodidae (marsh beetles) Read More Family Decliniidae 1 genus (Declinia); found in eastern Russia and Japan. Family Eucinetidae About 25 widely distributed species; in rotten wood; example Eucinetus. Family Scirtidae, or Helodidae (marsh beetles) Read More